EP2272210A4 - Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems - Google Patents

Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems

Info

Publication number
EP2272210A4
EP2272210A4 EP09739549A EP09739549A EP2272210A4 EP 2272210 A4 EP2272210 A4 EP 2272210A4 EP 09739549 A EP09739549 A EP 09739549A EP 09739549 A EP09739549 A EP 09739549A EP 2272210 A4 EP2272210 A4 EP 2272210A4
Authority
EP
European Patent Office
Prior art keywords
harq
link adaptation
ofdma systems
spectrally efficient
efficient link
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09739549A
Other languages
German (de)
French (fr)
Other versions
EP2272210A1 (en
EP2272210B1 (en
Inventor
Sairamesh Nammi
Shankar Venkatraman
Ashvin Chheda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Apple Inc
Original Assignee
Nortel Networks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of EP2272210A1 publication Critical patent/EP2272210A1/en
Publication of EP2272210A4 publication Critical patent/EP2272210A4/en
Application granted granted Critical
Publication of EP2272210B1 publication Critical patent/EP2272210B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
EP09739549A 2008-04-28 2009-04-28 Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems Active EP2272210B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4836908P 2008-04-28 2008-04-28
PCT/US2009/041899 WO2009134747A1 (en) 2008-04-28 2009-04-28 Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems

Publications (3)

Publication Number Publication Date
EP2272210A1 EP2272210A1 (en) 2011-01-12
EP2272210A4 true EP2272210A4 (en) 2011-06-01
EP2272210B1 EP2272210B1 (en) 2012-12-26

Family

ID=41255371

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09739549A Active EP2272210B1 (en) 2008-04-28 2009-04-28 Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems
EP09739544.6A Withdrawn EP2272191A4 (en) 2008-04-28 2009-04-28 Method and apparatus for candidate list generation for uplink v-mimo

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09739544.6A Withdrawn EP2272191A4 (en) 2008-04-28 2009-04-28 Method and apparatus for candidate list generation for uplink v-mimo

Country Status (7)

Country Link
US (4) US8514957B2 (en)
EP (2) EP2272210B1 (en)
JP (2) JP5410509B2 (en)
KR (2) KR101597377B1 (en)
CN (3) CN103716110B (en)
BR (2) BRPI0912707B1 (en)
WO (2) WO2009134742A1 (en)

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Also Published As

Publication number Publication date
EP2272210A1 (en) 2011-01-12
JP5571067B2 (en) 2014-08-13
US9392578B2 (en) 2016-07-12
CN102017524B (en) 2014-04-02
US9161335B2 (en) 2015-10-13
KR20110002057A (en) 2011-01-06
EP2272191A1 (en) 2011-01-12
BRPI0912707B1 (en) 2020-12-22
WO2009134747A1 (en) 2009-11-05
JP2011524106A (en) 2011-08-25
CN102017487A (en) 2011-04-13
US20130182665A1 (en) 2013-07-18
JP2011525060A (en) 2011-09-08
US20120207114A1 (en) 2012-08-16
US8514957B2 (en) 2013-08-20
BRPI0910485A2 (en) 2017-08-29
EP2272210B1 (en) 2012-12-26
KR101597377B1 (en) 2016-02-25
CN102017524A (en) 2011-04-13
CN103716110A (en) 2014-04-09
CN102017487B (en) 2014-03-05
BRPI0910485A8 (en) 2017-10-03
US20110034206A1 (en) 2011-02-10
US20110019768A1 (en) 2011-01-27
WO2009134742A1 (en) 2009-11-05
KR20110002067A (en) 2011-01-06
BRPI0912707A2 (en) 2015-10-13
EP2272191A4 (en) 2014-11-26
CN103716110B (en) 2016-06-15
KR101522059B1 (en) 2015-05-20
JP5410509B2 (en) 2014-02-05

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